Table 2 Performance comparison of the proposed LDO with LDOs of wide power supply range

process (μm)

0.35

0.4

0.5

1.5

V_IN (V)

5.5–30

3.9–20

4.5–28

5.7–30

V_OUT (V)

5

2.5

1.8

6

I_LOAD (mA)

0–30

0–1500

20 (max)

100 (max)

C_OUT (μF)

0.1–3.3

2.2

2.1

N/A

Line regulation (μV/V)

2.98

N/A

8.3

10870

Load regulation (mV/mA)

0.233

0.0013

0.0026

0.094